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- transmitted antenna beam 发射天线波束
- Study on Digital Multi - beam Transmit Antenna 发射数字多波束天线技术研究
- Simo traces the ser for a simo system: n transmit antenna and 1 recieve antenna and compare it to an alamouti system has been tested. (译):芒痕迹的服务为芒系统:无传输天线和1个接收天线和比较它的alamouti系统已经过测试。
- The results show that this DBF design can adjust the magnitude and phase of each channel,digitally forming antenna beam. 实验结果表明,该数字波束形成设计能实时调整各通道的幅度和相位,实现数字波束形成。
- Combining genetic algorithm with LMS,a hybrid genetic algorithm(GA_LMS)for satellite adaptive nulling antenna beam space was proposed. 将遗传算法与LMS算法结合构成一种混合遗传算法,并将其用于卫星自适应调零天线的波束空间调零处理。
- Compared with SCSTC using the traditional recursive STTC as the inner code, the G-RSTTC based SCSTC can increase the data rate with the increase of the transmit antenna number. 相比于传统以递归STTC为内码的串行级联空时码(SCSTC),其数据速率可随发送天线数增加而线性增加;
- In this paper, the performance of a scheme of combining transmit antenna selection and maximal-ratio combining (TAS/MRC) is studied for the case of spatial receive correlation. 摘要文章研究了接收天线空间相关条件下组合发射选择/最大比合并方法(TAS/MRC)的性能;
- It can perform a flexible emissive and receiving antenna beam and have a good anti-jamming ability.This thesis is a previous research before engineering fulfillment. 本文设计了用可实现模拟多种不同工作体制、具有灵活可变的收发波束和较好抗干扰能力的雷达天线平台,为工程实现提供了理论支持。
- Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system. 由于对天线波束指向的调整在很小的范围内,故对天线的副瓣及波瓣宽度指标的影响可忽略,从而不会影响到雷达系统的基他性能。
- However, radio waves attenuate as they move out from the transmitting antenna. 然而,无线电波随者从传送的天线向外移动而衰减。
- In an effort to utilize the advantage of using multiple antennas, transmit antenna selection for linear dispersion codes (LDC-TAS) is proposed in this paper. 为了充分利用多天线系统的性能增益,该文提出了一种基于线性离散码的发射天线选择(LDC-TAS)方案。
- Transmit antenna subset selection 发送天线子集选择
- transmit antenna selection and power allocation 天线选择和功率分配
- Space-time block codes is a new paradigm for transmission over Rayleigh fading channels using multiple transmit antennas. 空时分组码是一种可在瑞利衰落信道中使用多天线传输信息的新方法。
- Before sending out from the transmit antennas, the information is sent into the space-time encoder, then is processed by a precoder matrix. 信息在经过准正交空时分组码编码后,要经过线性预编码矩阵进行处理,才可以从发射天线发送。
- The development of 16-beam,61-channel DBF transmitting antenna demonstrates that this implementation architecture... 16波束、61通道DBF发射天线的研制与实验结果表明,该结构适用于大规模高速阵列天线的开发。
- When BER and constellation are same, the SNRs of coherent detection and differential detection decrease with the increase of the number of transmit antennas and receive antennas. 当误码率和星座图相同时,相干检测和差分检测的信噪比随发射天线和接收天线数量的增加而降低。
- In this paper, two arithmetics are given to discuss the problem of finding the current distribution around the transmitting antenna. 本文用两种算法分析天线电缆周围的电流分布情况,并得到了相关结论。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- Then, feedback vectors are used for beamforming at transmitting antenna so as to select some subchannels with higher gain for data transmission. 然后利用反馈向量在发送天线端进行波束形成,使得具有较高信道增益的子信道被选择用来进行数据传输。